SOLUTION: Can I please get some assistance with the formula for e. 2. U.S. Population by Region. The U.S. population by region (in millions) for selected years is given in the table. F

Question 252627: Can I please get some assistance with the formula for e.
2. U.S. Population by Region. The U.S. population by region (in millions) for selected years is given in the table. Find the probability that a U.S. resident selected at random satisfies the following:
e.) What are the odds that a randomly selected U.S. resident in 2000 was not from the South?

REGION 1995 1997 2000
Northwest 51.4 51.6 53.6
Midwest 61.8 62.5 64.4
South 91.8 94.2 100.2
West 57.7 59.4 63.2
TOTAL 262.7 267.7 281.4
Answer: 302 to 167

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Note: Because we're only concerned with the year 2000, we'll only draw values from the last column.

To find the probability that you select a resident at random that is NOT in the south, simply note that probability that you select an individual that does live in the south is...

P(Resident from the South) = Number of Residents Who Live in the South/Total US Residents = 100.2/281.4 = 0.35608

So the probability of choosing someone from the south is about 0.35608 (about a 35.6% chance).

Since we want everything but residents from the South, just subtract this probability from 1 (ie 100%) to get:

1-0.35608 = 0.64392

So the probability of selecting a resident that is NOT from the South in the year 2000 is 0.64392 (which is about a 64.4% chance)

Another way to do this is to add up all of the data values in the 2000 column that are NOT the south and divide them by the total 281.4
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